21131292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:587

約数の個数: 96

約数和(自身を含む): 62444032

約数和(自身を除く): 41312740

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 52, 74, 78, 84, 91, 111, 148, 156, 182, 222, 259, 273, 364, 444, 481, 518, 523, 546, 777, 962, 1036, 1046, 1092, 1443, 1554, 1569, 1924, 2092, 2886, 3108, 3138, 3367, 3661, 5772, 6276, 6734, 6799, 7322, 10101, 10983, 13468, 13598, 14644, 19351, 20202, 20397, 21966, 27196, 38702, 40404, 40794, 43932, 47593, 58053, 77404, 81588, 95186, 116106, 135457, 142779, 190372, 232212, 251563, 270914, 285558, 406371, 503126, 541828, 571116, 754689, 812742, 1006252, 1509378, 1625484, 1760941, 3018756, 3521882, 5282823, 7043764, 10565646, 21131292]

約数ペア:

[(1, 21131292), (2, 10565646), (3, 7043764), (4, 5282823), (6, 3521882), (7, 3018756), (12, 1760941), (13, 1625484), (14, 1509378), (21, 1006252), (26, 812742), (28, 754689), (37, 571116), (39, 541828), (42, 503126), (52, 406371), (74, 285558), (78, 270914), (84, 251563), (91, 232212), (111, 190372), (148, 142779), (156, 135457), (182, 116106), (222, 95186), (259, 81588), (273, 77404), (364, 58053), (444, 47593), (481, 43932), (518, 40794), (523, 40404), (546, 38702), (777, 27196), (962, 21966), (1036, 20397), (1046, 20202), (1092, 19351), (1443, 14644), (1554, 13598), (1569, 13468), (1924, 10983), (2092, 10101), (2886, 7322), (3108, 6799), (3138, 6734), (3367, 6276), (3661, 5772)]